fr.lip6.bag.kernel
Class SimpleBagKernel<V extends MLVector<?>,B extends BagOfVector<V>>

java.lang.Object
  fr.lip6.kernel.Kernel<B>
      fr.lip6.bag.kernel.SimpleBagKernel<V,B>

Type Parameters:

V - type of vectors in input space.

B - type of bag of vectors.

All Implemented Interfaces:

java.io.Serializable

public class SimpleBagKernel<V extends MLVector<?>,B extends BagOfVector<V>>
extends Kernel<B>

Simpleest kernel on bag of vectors : sum of all possible combinations between elements of the two bags.

Author:

dpicard

See Also:

Serialized Form

Constructor Summary

SimpleBagKernel(Kernel<V> minorKernel)
Constructor with minor kernel

Method Summary

double	valueOf(B b1) kernel similarity to zero
double	valueOf(B b1, B b2) compute the kernel similarity between two element of input space

Methods inherited from class fr.lip6.kernel.Kernel

NormalizedValueOf

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SimpleBagKernel

public SimpleBagKernel(Kernel<V> minorKernel)

Constructor with minor kernel

Parameters:

minorKernel - the kernel to be used in similarities between elements of the bags.

Method Detail

valueOf

public double valueOf(B b1,
                      B b2)

Description copied from class: Kernel

compute the kernel similarity between two element of input space

Specified by:

valueOf in class Kernel<B extends BagOfVector<V>>

Parameters:

b1 - first element

b2 - second element

Returns:

the kernel value

valueOf

public double valueOf(B b1)

Description copied from class: Kernel

kernel similarity to zero

Specified by:

valueOf in class Kernel<B extends BagOfVector<V>>

Parameters:

b1 - the element to compute the similarity to zero